Towers of nanotubes sprout from graphene

Chemists have successfully grown forests of carbon nanotubes that rise quickly from sheets of graphene to astounding lengths of up to 120 microns.

A house on an average plot with the same aspect ratio would rise into space.

“By growing graphene on metal (in this case copper) and then growing nanotubes from the graphene, the electrical contact between the nanotubes and the metal electrode is ohmic. That means electrons see no difference, because it’s all one seamless material,” says Rice University chemist James Tour, who led the work.

“This gives us, effectively, a very high surface area of more than 2,000 square meters per gram of material. It’s a huge number.”

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2 years ago

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